If you want a model for what is possible, if you want to see how to build a peaceful and prosperous and dynamic society, then look at Berlin and look at Germany.

Physically, I feel probably as good as I've ever felt. And I've got as much energy as I ever did. But what you feel after eight years - and I think you'd feel this no matter what, but anytime you have a big transition, it gets magnified - is time passes.

To those who cling to power through corruption and deceit and the silencing of dissent, know that you are on the wrong side of history; but that we will extend a hand if you are willing to unclench your fist.

I do believe, separate and apart from any particular election or movement, that we are going to have to guard against a rise in a crude sort of nationalism or ethnic identity or tribalism that is built around an us and a them.

I would not advise people who feel strongly or are concerned about some of the issues that have been raised during the course of the [president electing] campaign.

Most Americans believe that escalation will not bring the war in Iraq to a responsible end, and that's why I've proposed not just a troop cap, but a phased redeployment that will start bringing our troops home.

The good news is that the Paris Agreement is not just a bilateral agreement between the United States and some other country. You have 200 countries who came together. It's an international agreement.